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Simulation of multilayered resonant tunneling diodes using coupled Wigner and Boltzmann distribution function approaches
García García, Juan José (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Martín, Ferran, (Martín Antolín) (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
American Physical Society

Data: 2000
Resum: From a coupling model between the Boltzmann transport equation and the quantum Liouville equation, we have developed a simulator based on the Wigner distribution function (WDF) approach that can be applied to resonant tunneling diodes (RTDs) and other vertical transport quantum devices. In comparison to previous WDF simulators, the tool allows one to extend the simulation domains up to hundreds of nanometers, which are the typical dimensions required for the study of actual multilayer structures. With these improvements, a level of agreement between theory and experiment comparable to that obtained by using other simulators based on Green functions has been achieved. The results of this work reveal that the WDF formalism can be alternatively used to study the behavior of actual multilayered RTDs.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; recerca ; publishedVersion
Matèria: Boltzmann equations ; Cumulative distribution functions ; Resonant tunneling diodes ; Green's function methods ; Multilayers ; Quantum transport
Publicat a: Applied Physics Letters, Vol. 77, Issue 21 (November 2000) , p. 3412-3414, ISSN 1077-3118

DOI: 10.1063/1.1328100

4 p, 336.0 KB

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